(19)

(11)

EP 3 169 834 A1

(12)

(43) Date of publication: 24.05.2017 Bulletin 2017/21 (21) Application number: 15762720.9 (22) Date of filing: 20.07.2015

(51) International Patent Classification (IPC):  D02G 1/12(2006.01) D02G 1/20(2006.01) (86) International application number: PCT/IB2015/055482 (87) International publication number: WO 2016/009414 (21.01.2016 Gazette 2016/03)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: MA (30) Priority: 18.07.2014 BE 201400565 (71) Applicant: IROPA AG 6340 Baar (CH)	(72) Inventor: CORBELLINI, Ermete I-23013 Cosio Valtellino (IT) (74) Representative: Ostyn, Frans et al KOB NV President Kennedypark 31 c 8500 Kortrijk 8500 Kortrijk (BE)